Jaan Tallinn
CTO and Founder @ MetaMed
Tallinn, Estonia
Jaan Tallinn is a seed investor at MetaMed in Tallinn focused on Software and Artificial Intelligence. Jaan Tallinn is the Co-Founder of the Centre for Study of Existential Risk and Future of Life Institute.
- Total investments:
- 64
- Last investment:
- Lead investor:
- 5%
Last updated:
For AI agents: llms.txt
Industries Jaan Tallinn invests in
Stages Jaan Tallinn invests in
Countries Jaan Tallinn invests in
Round sizes
Round size
- Seed
- $531k–$15M
- Series A
- $3.3M–$124M
Investment Focus
Industry
- Software 17 (27%)
- Artificial Intelligence 14 (22%)
- Information Technology 11 (17%)
- Internet 6 (9%)
- Machine Learning 6 (9%)
Stage
- Seed 25 (39%)
- Series A 7 (11%)
- Funding Round 7 (11%)
- Pre-Seed 6 (9%)
- Angel 4 (6%)
Country
- United States 27 (42%)
- Estonia 8 (13%)
- United Kingdom 6 (9%)
- Finland 2 (3%)
- Canada 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
ZaiNar
|
ZaiNar is a technology that can track the real-time location of anything. The company's platform uses radio signals including cellphones, IoT sensors, and chipless RFID tags for positioning that is far more scalable, cost-effective and accurate than existing alternatives, enabling enterprises to track locations with over 200 meters range andsub-meter accuracy. | $100M / Series B / Feb 19, 2026 | |
Blueprint Bryan Johnson
|
Blueprint is Bryan Johnson’s protocol made accessible to everyone. Everything from measurements to protocols and therapies. | $60M / Angel / Oct 28, 2025 | |
Lightyear
|
Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers and fees. | $23M / Series B / Jul 24, 2025 | |
LawZero
|
LawZero is committed to advancing research and creating technical solutions that enable safe-by-design AI systems. | $30M / Seed / Jun 03, 2025 | |
TENYX
|
Tenyx is a next generation of voice-based intelligent technologies using its patented AI technology. | $15M / Seed / May 10, 2022 | |
Anthropic
|
Anthropic conducts AI research and develops AI products, including the Claude AI model family. The company focuses on building AI for human well-being, emphasizing safety in its research, policy work, and product design. Anthropic offers various Claude models, such as Opus and Sonnet, for AI-powered applications and custom experiences, supportingcoding and AI agents. | $580M / Series B / Apr 29, 2022 | |
Aerones
|
We are building heavy lifting drones which can lift up to 200kg (440lbp). We have version which is flying on batteries for rescue and delivery purposes and tethered solution for industrial cleaning and firefighting. | $9M / Seed / Apr 27, 2022 | |
Wisnio
|
Great things in business are never done by one person, but by high-performing teams.Teamscope was founded by leading executive search professionals, data scientists, and tech entrepreneurs to help managers make better hiring decisions and build more engaged, high-performing teams.The teamscope platform combines big data analytics withscientific testing to analyze teams and help team leaders make better hiring decisions. Our unique algorithm analyzes the values, personality characteristics, and core competencies of team members to first profile the existing team. Based on that, the platform recommends what characteristics to look for in a candidate and evaluates how well each candidate fits in with the role and the team. The platform then generates a detailed behavioral profile and interview guide for each candidate to help the hiring manager choose the best person for the team. | $1.8M / Convertible Note / Dec 01, 2021 | |
Conception
|
Ovid Research is a research company providing viable human eggs from skin cells turned into stem cells used to help in becoming a biological parent. The company was founded in 2018 and is headquartered in Berkeley, California. | $20M / Venture - Series Unknown / Nov 23, 2021 | |
Lingvist
|
Lingvist is an innovative language learning platform that uses artificial intelligence, natural language processing, and machine learning algorithms to make the learning process faster and more efficient.Lingvist is a subscription service for language learning, accessible via three platforms (web, iOS, and Android) worldwide.Lingvist waslaunched in 2013 and is operated from Tallinn, Estonia. | $5.4M / Oct 27, 2021 | |
| See all 64 investments → | |||
Co-Investors
About MetaMed
There is so much needless suffering in healthcare - caused by a gap between what is known and what is done. All of us at MetaMed are dedicated to closing that gap for you, the patients we serve.The data is already there, mostly behind closed doors. Hundreds of billions in research you funded with taxes, and donations to organizations like theAmerican Cancer Society and the National Parkinson’s Foundation.MetaMed is here to arm you, the patient and caregiver, with hard data you can trust. As a pioneer in Personalized Medical Research, you may also help others by sharing your anonymized report. We admire your courageous spirit.
MetaMed Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Alyssa Vance
President
|
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|
Jaan Tallinn
CTO and Founder
|
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Michael Vassar
Chief Science Officer
|
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Zvi Mowshowitz
CEO
|
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1 more contact available
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FAQ
What does Jaan Tallinn invest in?
Jaan Tallinn invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 64 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Jaan Tallinn's check size?
Jaan Tallinn typically joins rounds of $531k–$15M at Seed and $3.3M–$124M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jaan Tallinn participates in.
When did Jaan Tallinn last invest?
The most recent investment recorded for Jaan Tallinn closed in Feb 2026. Shizune tracks 64 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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